Bimetallic Twin Parallel Screw and Barrel

  • Model NO.: D45-D200
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Bimetallic Layer Depth: 3mm
  • Trademark: ZHONGYANG
  • Origin: China
  • Screw: Twin-Screw
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Bimetallic Hardness: HRC58-62
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
The compression ratio of screws can be designed according to different products and ingredients

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT

Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: ≥ 950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Production time: 35 days
Warranty and service: 1 year

Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Welding electrode : Used for welding in all position, it has excellent weldability and is suitable for welding low carbon steel light-gauge sheet or light structrues where beautiful bead apperance is requested. such as vehicles,building and mechinery etc.

 Advantages:
1. Stable arc, less splash
2. Shaped good appearance
3. Easy for removal of slag layer
4. Easy for striking arc and restriking arc.
5. Operable with low amperages on sheet metal
6. Slag control accommodates vertical down welding
Product Name 300-450mm length electrode Welding Rod
Material Low carbon
Standard ISO, CNCA,SONCAP
Model E6013 E7018
Diameter 2.5mm 3.2mm 4.0mm
Packing 20kg per carton
Advantages Small spatter, no smell,easy arc, easy slag remove

welding rod

Products & Packing

 weldingwelding1welding rod2Welding rod

Training and Installation :
1. We offer installation service local in paid, reasonable charge. 
2. QT test is welcome and professional.
3. manual and using guide is optional if no visiting and no installation. 


Certification and after service:
1. Match the technology standard, ISO producing certification 
2. CE certification 
3. 12 months warranty since the delivery. Board. 


Our advantages:
1. Short delivery period. 
2. Effective communication 
3. Interface customized. 

 

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YingYee Machinery and Technology Service Co.,Ltd , https://www.yingyee.cn